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Search: Posts Made By: Don_Adan
Forum: support.Hardware 16 January 2022, 03:25
Replies: 4
Views: 274
Posted By Don_Adan
Correct version of 68060.library.

Correct version of 68060.library.
Forum: Coders. General 08 December 2021, 17:37
Replies: 16
Views: 1,426
Posted By Don_Adan
This version is optimized for 68020+ (chip ram...

This version is optimized for 68020+ (chip ram writes are pipelined), i think that pure 68000 version can be a few fastest. Some code can be moved and free temp registers for better usage #$55555555...
Forum: Coders. General 29 November 2021, 13:02
Replies: 12
Views: 1,111
Posted By Don_Adan
I used special WB31 slave, not generic slave....

I used special WB31 slave, not generic slave. Generic slaves are mostly for adf (disk images). I used slaves for HD directory. Much universal for me. I can copy every program/library etc to this...
Forum: Coders. Asm / Hardware 26 November 2021, 02:55
Replies: 6
Views: 821
Posted By Don_Adan
I dont know about sprites, but your code is...

I dont know about sprites, but your code is buggy.
Must be

move.w #$00c8,d1 ; VSTART
add.w #$38,d1 ; Add height to get VSTOP
Forum: Coders. Asm / Hardware 25 November 2021, 01:48
Replies: 24
Views: 2,666
Posted By Don_Adan
I often enough for bug hunting using WHDload. I...

I often enough for bug hunting using WHDload. I had/created 2 slaves with Wepl help. One for kick 1.3 and one for kick 3.1. I copy buggy program to directory with WB 1.3 or WB 3.1. Run 1.3 or 3.1...
Forum: Coders. Asm / Hardware 25 November 2021, 00:58
Replies: 24
Views: 2,666
Posted By Don_Adan
Maybe this is simply code bug? Reading random...

Maybe this is simply code bug? Reading random value from Amiga memory or writing data in bad place?
Forum: Coders. Asm / Hardware 23 November 2021, 00:49
Replies: 24
Views: 2,666
Posted By Don_Adan
For testing TFMX Pro player, you can disable...

For testing TFMX Pro player, you can disable music. But from my memory TFMX Pro player has no problem to works on fastest CPU's on Amiga. Only TFMX 7V player (Turrican 2 intro/outro) uses SMC in...
Forum: Coders. Asm / Hardware 20 November 2021, 22:21
Replies: 24
Views: 2,666
Posted By Don_Adan
If this is AGA version, then no kick 1.3. This is...

If this is AGA version, then no kick 1.3. This is logical, only kick 3.0 or higher.
Forum: request.Old Rare Games 29 October 2021, 22:56
Replies: 15
Views: 2,473
Posted By Don_Adan
Then perhaps it must/can be personal copy for...

Then perhaps it must/can be personal copy for Mathew Cannon. If this is Ocean France game like Toki, then who coded this title? No Pierre Adane and Jean Charles Meyrignac.
Forum: request.Apps 29 October 2021, 22:51
Replies: 4
Views: 1,058
Posted By Don_Adan
I dont think that you can find/have something...

I dont think that you can find/have something better than Delitracker 2 tracker recognition routine. For CLI you must rip and adapt this routine.
Forum: request.Old Rare Games 28 October 2021, 19:12
Replies: 15
Views: 2,473
Posted By Don_Adan
When i was young, i searched for this Amiga title...

When i was young, i searched for this Amiga title for rip music. Possible done by Mathew Cannon (Jonathan Dunn soundformat). Seems to be veeeery rare.
Forum: Retrogaming General Discussion 26 October 2021, 21:16
Replies: 177
Views: 27,603
Posted By Don_Adan
After 1h 26 minutes are started levels when power...

After 1h 26 minutes are started levels when power dots only change ghosts rotation for 180°. He used different pattern to finish these levels. These levels are finished very fast.
Forum: Retrogaming General Discussion 26 October 2021, 17:30
Replies: 177
Views: 27,603
Posted By Don_Adan
He wait because at begining ghosts are turned...

He wait because at begining ghosts are turned 180° a few times (6 perhaps, but i dont calc this exactly) this is normal game logic for all Pacman games. So he dont wait to be eated by turned ghosts....
Forum: Retrogaming General Discussion 26 October 2021, 01:54
Replies: 177
Views: 27,603
Posted By Don_Adan
Seems that Pacman can be invisible for ghosts in...

Seems that Pacman can be invisible for ghosts in first ~100 secs. This is good test for game logic :)

https://www.youtube.com/watch?v=AuoH0vz3Mqk
Forum: project.Amiga Game Factory 25 October 2021, 07:12
Replies: 86
Views: 10,045
Posted By Don_Adan
Then maybe you can try to convert Jr Pacman too?...

Then maybe you can try to convert Jr Pacman too? Seems to be the hardest from Pacman trilogy(?).

https://www.youtube.com/watch?v=Gct_3FULSBM
Forum: Coders. Asm / Hardware 22 October 2021, 20:13
Replies: 10
Views: 953
Posted By Don_Adan
And of course if you have full control about...

And of course if you have full control about input switches, you can use other linear values too f.e 0,20,40,60 ... or even totally non linear (for code without empty bytes between "cases") like 0,...
Forum: Coders. Asm / Hardware 22 October 2021, 16:25
Replies: 10
Views: 953
Posted By Don_Adan
If you really want to reach maximum speed and...

If you really want to reach maximum speed and your "cases" are not too long. You can handle all switch values not as 0,1,2,3... but as direct values f.e 0,8,16,24... or 0,16,32,48... or...
Forum: project.Amiga Game Factory 21 October 2021, 02:28
Replies: 86
Views: 10,045
Posted By Don_Adan
WHDload needs kick 2.0+.

WHDload needs kick 2.0+.
Forum: Coders. Asm / Hardware 12 October 2021, 23:17
Replies: 16
Views: 1,461
Posted By Don_Adan
Perhaps if your exe file will be not very...

Perhaps if your exe file will be not very complicated, you can create easy and short LoadSeg routine and place this routine in game bootblock.
Im not 100% sure, but if i remember right some old...
Forum: support.WinUAE 11 October 2021, 17:43
Replies: 61
Views: 8,448
Posted By Don_Adan
Some specification is available, i dont know, if...

Some specification is available, i dont know, if full.

http://www.apollo-core.com/index.htm?page=coding&tl=2
Forum: Coders. Asm / Hardware 03 October 2021, 04:12
Replies: 68
Views: 12,856
Posted By Don_Adan
Header ZX01 Ross Packer mode 1 Header ZX02 Ross...

Header ZX01 Ross Packer mode 1
Header ZX02 Ross Packer mode 2
Forum: Retrogaming General Discussion 23 September 2021, 20:32
Replies: 40
Views: 2,699
Posted By Don_Adan
Yes, some Amiga games was assembled using DevPac...

Yes, some Amiga games was assembled using DevPac (Atari ST version). For checking if this is Atari ST exe file you must/can check not only $601A at begining of file, but also relocs table at the end...
Forum: Coders. Asm / Hardware 16 September 2021, 12:26
Replies: 68
Views: 12,856
Posted By Don_Adan
Or you can depack LZ4 packed files and use direct...

Or you can depack LZ4 packed files and use direct zx0 on these files. Some packers dont like to pack packed files and LZ4 seems to be average packer for me. Second option is to split big files on...
Forum: News 16 September 2021, 02:12
Replies: 258
Views: 38,505
Posted By Don_Adan
I dont remember if Ambermoon used standard or...

I dont remember if Ambermoon used standard or modified LOB depacker. But for decrunch routine LOB header can be important. Because 1st byte is number of passes. And 5th byte is type of used packer....
Forum: Coders. Asm / Hardware 16 September 2021, 00:55
Replies: 68
Views: 12,856
Posted By Don_Adan
Easy, use LZMA only for CosoPack file. Add nice...

Easy, use LZMA only for CosoPack file. Add nice jingle when this file is depacked a few minutes and you can use other packer for rest files. Or use LZMA only for packed main (big) file (like in BC...
Forum: News 15 September 2021, 19:19
Replies: 258
Views: 38,505
Posted By Don_Adan
If you want to compare original packed file with...

If you want to compare original packed file with LOB 3.7 packed use Track2File, choose right decoding and saving without depacking.
I dont remember exactly, it was many years ago and im still dead...
Forum: News 15 September 2021, 18:10
Replies: 258
Views: 38,505
Posted By Don_Adan
No, this is compatible. Only one format LOB 1-2...

No, this is compatible. Only one format LOB 1-2 (if i remember right is incompatible, when i compared depackers). But Ambermoon used standard LOB 1-5 compression, if i remember right. At first you...
Forum: News 15 September 2021, 17:32
Replies: 258
Views: 38,505
Posted By Don_Adan
If this is compressor problem. Why Pyrdacor dont...

If this is compressor problem. Why Pyrdacor dont use original LOB packer from Atari ST? If i remember right, Ambermoon data are packed and crypted.
Forum: Retrogaming General Discussion 15 September 2021, 17:30
Replies: 177
Views: 27,603
Posted By Don_Adan
I played mostly Ms. Pacman on arcade cabinet and...

I played mostly Ms. Pacman on arcade cabinet and it has 4 or maybe more mazes. I dont reach more than 4 maze (maze after banana level), if i remember right, but it was over 30 years ago.
Forum: Amiga scene 15 September 2021, 13:41
Replies: 1,223
Views: 247,059
Posted By Don_Adan
You perhaps have 68040 or 68060 in your A3000. No...

You perhaps have 68040 or 68060 in your A3000. No sound, due bug.

http://eab.abime.net/showpost.php?p=1479079&postcount=687

I heard that game uses self modyfiyng code, then instruction cache...
Forum: Coders. Asm / Hardware 10 September 2021, 00:12
Replies: 16
Views: 1,523
Posted By Don_Adan
If you checked stack acceses, and no bug in...

If you checked stack acceses, and no bug in registers handling. Then for normal coding PC can jump out of your code only via jmp/jsr commands.
Like
jmp 10(Ax) ; buggy Ax
jsr 16(Ax,Dx.W); buggy Ax...
Forum: Coders. Asm / Hardware 09 September 2021, 13:49
Replies: 16
Views: 1,523
Posted By Don_Adan
I suspect that your code using something like...

I suspect that your code using something like this:

movem.l d0-d4,-(sp)
....

movem.l (sp)+,d0-d3
rts
Forum: Coders. Asm / Hardware 09 September 2021, 00:40
Replies: 16
Views: 1,523
Posted By Don_Adan
Exist many options to trace stack return, you can...

Exist many options to trace stack return, you can use a/b method. Anyway if you know place where wrong jump is done. You can use next method too. Fill area from $4000 to $6000 with $4AFC and call...
Forum: support.Games 04 September 2021, 21:47
Replies: 8
Views: 1,217
Posted By Don_Adan
for ilbm2raw seems to be wrong path. create c dir...

for ilbm2raw seems to be wrong path. create c dir and copy ilbm2raw.
Forum: Amiga scene 02 September 2021, 18:00
Replies: 11
Views: 1,114
Posted By Don_Adan
Originally TFMX 7V replayer uses self modyfing...

Originally TFMX 7V replayer uses self modyfing code in mixer part. I think this is problem for ARM emulation.
Forum: Coders. Asm / Hardware 18 August 2021, 01:15
Replies: 21
Views: 3,076
Posted By Don_Adan
Are you sure that your code dont overwrite/trash...

Are you sure that your code dont overwrite/trash important data/code?
Maybe try move.l #205,D7 and later move.l #206,D7 and check output.
Forum: Coders. Asm / Hardware 14 August 2021, 22:25
Replies: 3
Views: 719
Posted By Don_Adan
From my memory some Amiga musics works at 100 Hz...

From my memory some Amiga musics works at 100 Hz and i dont hear difference if i use 100 Hz timer or 50 Hz timer twice. But i dont have perfect ears of course. Then i think you can use 50 Hz to...
Forum: Coders. Asm / Hardware 14 August 2021, 21:43
Replies: 3
Views: 719
Posted By Don_Adan
If this is only game logic, then i think then you...

If this is only game logic, then i think then you can use Vblank 50 Hz to simulate 60 Hz. You can call game logic routine once for 4 VBlank 50 Hz and twice for 1 VBlank 50 Hz.
Forum: Coders. Asm / Hardware 30 July 2021, 23:06
Replies: 15
Views: 2,486
Posted By Don_Adan
Or you can try this table version, perhaps can be...

Or you can try this table version, perhaps can be ok for PC range, but i dont know size of wait for blitter routine.

; d0 = Frame Number
; d1 = xpos
; d2 = ypos
; a0 = Sprite Sheet struct
; a1...
Forum: Coders. Asm / Hardware 28 July 2021, 12:17
Replies: 15
Views: 2,486
Posted By Don_Adan
For some code (i dont see your code) is possible...

For some code (i dont see your code) is possible to change without speed penalty input D2 value from 0,1,2,3,4,5... to 0,2,4,6,8,10 etc then add.w d2,d2 can be removed, and only move.w from table...
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